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- Uniformity of hardness test block for Brinell 勃氏硬度块的均匀度
- Uniformity of hardness test block for Shore 萧氏硬度块均匀度
- Uniformity of hardness test block for Vickers 维氏硬度块均匀度
- Stability of hardness test block 硬度试验块稳定性
- Uniformity of hardness test block for Rockwell and Rockwell superficial 洛氏和表面洛氏硬度块均匀度
- In order to revise national standard of Metallic Materials-Brinell Hardness Test, the Brinell hardness numbers of specimens with different thickness are determined. 为修订金属布氏硬度试验方法国家标准,测定了不同试样厚度的布氏硬度值。
- Add hardness test for the raw material and finish parts to the drawing and inspection standard, and set suitble test frequency to ensure the pats conformance with the standard. 3在图纸和检验标准中增加原材料和成品零件硬度检验的规定;设定合适的检验频率;确保零件符合标准要求.
- This is a hard test in which the class all make low scores. 这是一次较难的测试,班上所有的学生都得了较低的分数。
- Customers to purchase our standard hardness blocks, hit the road in the transport, please contact me promptly. I am responsible for anti-revisionism. 用户购买我公司标准硬度块;在运输路途中撞伤;请及时和我公司联系.;我公司负责反修
- No abnormity was found in the metallographi cal analysis and hardness test. 金相和硬度分析未发现明显异常组织和硬度分布。
- Scratch Hardness Test Using a Diamond Stylus on the Micro-Tribometer mod. 便条硬度试验用钻石笔在微摩擦国防部。
- Tennis courts - two standard hard tennis courts, to provide free towels and tea. 网球场-标准硬地网球场两个，提供免费毛巾及茶水。
- We passed the GESE band 4 and we will welcome the new and hard test. 我通过了绿色通道英语口语4级的考试，我们还要迎接新的难的考试。
- Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work. 文章介绍了布氏硬度试验中测量结果的不确定度评定方法。
- The test block is cut from the casting and inspected to acquire the experimental data so as to monitor the quality of products. 生产耐磨铸件,采用直接从铸件本体切取试样的方法检验取得数据,可以实施对产品质量的监控。
- Measurement uncertainty of different measurement hardness range were investigated respectively by considering kind of influence factors including standard hardness specimen shown value error, Brinell hardness machine, measurement shown value error. 按标准硬度块示值误差、布氏硬度计、测量示值误差等不同因素,对不同范围的布氏硬度值进行不确定度评定。
- Through hard tests we are accepted in the world of work. 经过苛刻的测试终于获得了工作。
- The results of the hardness test prove the effect ot secondary hardening in cau- sed by forming M_(23)C_6 carbides. 高温硬度试验证明二次硬化效果是由 M_(23)C_6碳化物形成引起的。
- Indentation methods of hardness testing comprise two principal groups. 压痕法测定硬度包括两大类。
- The characteristic of knoop hardness test method for metallic materials are introduced. 文章介绍了布氏硬度试验中测量结果的不确定度评定方法。
